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<FONT color="green">001</FONT>    /**<a name="line.1"></a>
<FONT color="green">002</FONT>     * Copyright 2007-2008 Michele Mostarda ( michele.mostarda@gmail.com ).<a name="line.2"></a>
<FONT color="green">003</FONT>     * All Rights Reserved.<a name="line.3"></a>
<FONT color="green">004</FONT>     * &lt;p/&gt;<a name="line.4"></a>
<FONT color="green">005</FONT>     * Licensed under the Apache License, Version 2.0 (the 'License');<a name="line.5"></a>
<FONT color="green">006</FONT>     * you may not use this file except in compliance with the License.<a name="line.6"></a>
<FONT color="green">007</FONT>     * You may obtain a copy of the License at<a name="line.7"></a>
<FONT color="green">008</FONT>     * &lt;p/&gt;<a name="line.8"></a>
<FONT color="green">009</FONT>     * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<FONT color="green">010</FONT>     * &lt;p/&gt;<a name="line.10"></a>
<FONT color="green">011</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<FONT color="green">012</FONT>     * distributed under the License is distributed on an 'AS IS' BASIS,<a name="line.12"></a>
<FONT color="green">013</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<FONT color="green">014</FONT>     * See the License for the specific language governing permissions and<a name="line.14"></a>
<FONT color="green">015</FONT>     * limitations under the License.<a name="line.15"></a>
<FONT color="green">016</FONT>     */<a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>    package com.asemantics.rdfcoder.repository;<a name="line.19"></a>
<FONT color="green">020</FONT>    <a name="line.20"></a>
<FONT color="green">021</FONT>    import java.io.File;<a name="line.21"></a>
<FONT color="green">022</FONT>    import java.io.FileInputStream;<a name="line.22"></a>
<FONT color="green">023</FONT>    import java.io.FileNotFoundException;<a name="line.23"></a>
<FONT color="green">024</FONT>    import java.io.FileOutputStream;<a name="line.24"></a>
<FONT color="green">025</FONT>    import java.io.FilenameFilter;<a name="line.25"></a>
<FONT color="green">026</FONT>    import java.io.IOException;<a name="line.26"></a>
<FONT color="green">027</FONT>    import java.io.InputStream;<a name="line.27"></a>
<FONT color="green">028</FONT>    import java.io.OutputStream;<a name="line.28"></a>
<FONT color="green">029</FONT>    import java.util.ArrayList;<a name="line.29"></a>
<FONT color="green">030</FONT>    import java.util.Collection;<a name="line.30"></a>
<FONT color="green">031</FONT>    import java.util.HashMap;<a name="line.31"></a>
<FONT color="green">032</FONT>    import java.util.List;<a name="line.32"></a>
<FONT color="green">033</FONT>    import java.util.Map;<a name="line.33"></a>
<FONT color="green">034</FONT>    <a name="line.34"></a>
<FONT color="green">035</FONT>    /**<a name="line.35"></a>
<FONT color="green">036</FONT>     * A basic Repository based on filesystem where to store code metadata.<a name="line.36"></a>
<FONT color="green">037</FONT>     */<a name="line.37"></a>
<FONT color="green">038</FONT>    public class Repository {<a name="line.38"></a>
<FONT color="green">039</FONT>    <a name="line.39"></a>
<FONT color="green">040</FONT>        /**<a name="line.40"></a>
<FONT color="green">041</FONT>         * Kinds of resources.<a name="line.41"></a>
<FONT color="green">042</FONT>         */<a name="line.42"></a>
<FONT color="green">043</FONT>        public enum ResourceType {<a name="line.43"></a>
<FONT color="green">044</FONT>            BINARY {<a name="line.44"></a>
<FONT color="green">045</FONT>    <a name="line.45"></a>
<FONT color="green">046</FONT>                String getExtension() {<a name="line.46"></a>
<FONT color="green">047</FONT>                    return "bin";<a name="line.47"></a>
<FONT color="green">048</FONT>                }<a name="line.48"></a>
<FONT color="green">049</FONT>    <a name="line.49"></a>
<FONT color="green">050</FONT>            },<a name="line.50"></a>
<FONT color="green">051</FONT>    <a name="line.51"></a>
<FONT color="green">052</FONT>            XML {<a name="line.52"></a>
<FONT color="green">053</FONT>    <a name="line.53"></a>
<FONT color="green">054</FONT>                String getExtension() {<a name="line.54"></a>
<FONT color="green">055</FONT>                    return "xml";<a name="line.55"></a>
<FONT color="green">056</FONT>                }<a name="line.56"></a>
<FONT color="green">057</FONT>            };<a name="line.57"></a>
<FONT color="green">058</FONT>    <a name="line.58"></a>
<FONT color="green">059</FONT>            /**<a name="line.59"></a>
<FONT color="green">060</FONT>             * Returns the type of the file name on the basis of the extension,<a name="line.60"></a>
<FONT color="green">061</FONT>             * &lt;code&gt;null&lt;/code&gt; if no extension matches.<a name="line.61"></a>
<FONT color="green">062</FONT>             *<a name="line.62"></a>
<FONT color="green">063</FONT>             * @param fileName<a name="line.63"></a>
<FONT color="green">064</FONT>             * @return<a name="line.64"></a>
<FONT color="green">065</FONT>             */<a name="line.65"></a>
<FONT color="green">066</FONT>            static ResourceType getType(String fileName) {<a name="line.66"></a>
<FONT color="green">067</FONT>                for(ResourceType rt : ResourceType.values()) {<a name="line.67"></a>
<FONT color="green">068</FONT>                    if(fileName.indexOf(rt.getExtension()) != -1 ) {<a name="line.68"></a>
<FONT color="green">069</FONT>                        return rt;<a name="line.69"></a>
<FONT color="green">070</FONT>                    }<a name="line.70"></a>
<FONT color="green">071</FONT>                }<a name="line.71"></a>
<FONT color="green">072</FONT>                return null;<a name="line.72"></a>
<FONT color="green">073</FONT>            }<a name="line.73"></a>
<FONT color="green">074</FONT>    <a name="line.74"></a>
<FONT color="green">075</FONT>            /**<a name="line.75"></a>
<FONT color="green">076</FONT>             * Returns the name of the resource removing the extension.<a name="line.76"></a>
<FONT color="green">077</FONT>             *<a name="line.77"></a>
<FONT color="green">078</FONT>             * @param file<a name="line.78"></a>
<FONT color="green">079</FONT>             * @return<a name="line.79"></a>
<FONT color="green">080</FONT>             */<a name="line.80"></a>
<FONT color="green">081</FONT>            static String getResourceName(String file) {<a name="line.81"></a>
<FONT color="green">082</FONT>                int separator = file.indexOf(".");<a name="line.82"></a>
<FONT color="green">083</FONT>                return file.substring(0, separator);<a name="line.83"></a>
<FONT color="green">084</FONT>            }<a name="line.84"></a>
<FONT color="green">085</FONT>    <a name="line.85"></a>
<FONT color="green">086</FONT>            /**<a name="line.86"></a>
<FONT color="green">087</FONT>             * Returns the extension associated to the type.<a name="line.87"></a>
<FONT color="green">088</FONT>             * @return<a name="line.88"></a>
<FONT color="green">089</FONT>             */<a name="line.89"></a>
<FONT color="green">090</FONT>            abstract String getExtension();<a name="line.90"></a>
<FONT color="green">091</FONT>    <a name="line.91"></a>
<FONT color="green">092</FONT>            /**<a name="line.92"></a>
<FONT color="green">093</FONT>             * Returns the file name from the resource name.<a name="line.93"></a>
<FONT color="green">094</FONT>             *<a name="line.94"></a>
<FONT color="green">095</FONT>             * @param resourceName<a name="line.95"></a>
<FONT color="green">096</FONT>             * @return<a name="line.96"></a>
<FONT color="green">097</FONT>             */<a name="line.97"></a>
<FONT color="green">098</FONT>            String getFileName( String resourceName ) {<a name="line.98"></a>
<FONT color="green">099</FONT>                return resourceName + "."  + getExtension();<a name="line.99"></a>
<FONT color="green">100</FONT>            }<a name="line.100"></a>
<FONT color="green">101</FONT>    <a name="line.101"></a>
<FONT color="green">102</FONT>        }<a name="line.102"></a>
<FONT color="green">103</FONT>    <a name="line.103"></a>
<FONT color="green">104</FONT>        /**<a name="line.104"></a>
<FONT color="green">105</FONT>         * Resource element.<a name="line.105"></a>
<FONT color="green">106</FONT>         */<a name="line.106"></a>
<FONT color="green">107</FONT>        public class Resource {<a name="line.107"></a>
<FONT color="green">108</FONT>    <a name="line.108"></a>
<FONT color="green">109</FONT>            /**<a name="line.109"></a>
<FONT color="green">110</FONT>             * parent directory containing this resource.<a name="line.110"></a>
<FONT color="green">111</FONT>             */<a name="line.111"></a>
<FONT color="green">112</FONT>            private File root;<a name="line.112"></a>
<FONT color="green">113</FONT>    <a name="line.113"></a>
<FONT color="green">114</FONT>            /**<a name="line.114"></a>
<FONT color="green">115</FONT>             * The resource name.<a name="line.115"></a>
<FONT color="green">116</FONT>             */<a name="line.116"></a>
<FONT color="green">117</FONT>            private String name;<a name="line.117"></a>
<FONT color="green">118</FONT>    <a name="line.118"></a>
<FONT color="green">119</FONT>            /**<a name="line.119"></a>
<FONT color="green">120</FONT>             * The resource type.<a name="line.120"></a>
<FONT color="green">121</FONT>             */<a name="line.121"></a>
<FONT color="green">122</FONT>            private ResourceType type;<a name="line.122"></a>
<FONT color="green">123</FONT>    <a name="line.123"></a>
<FONT color="green">124</FONT>            /**<a name="line.124"></a>
<FONT color="green">125</FONT>             * List of readers of this resource.<a name="line.125"></a>
<FONT color="green">126</FONT>             */<a name="line.126"></a>
<FONT color="green">127</FONT>            private List&lt;OutputStream&gt; writers;<a name="line.127"></a>
<FONT color="green">128</FONT>    <a name="line.128"></a>
<FONT color="green">129</FONT>            /**<a name="line.129"></a>
<FONT color="green">130</FONT>             * List of writers of this resource.<a name="line.130"></a>
<FONT color="green">131</FONT>             */<a name="line.131"></a>
<FONT color="green">132</FONT>            private List&lt;InputStream&gt; readers;<a name="line.132"></a>
<FONT color="green">133</FONT>    <a name="line.133"></a>
<FONT color="green">134</FONT>    <a name="line.134"></a>
<FONT color="green">135</FONT>    <a name="line.135"></a>
<FONT color="green">136</FONT>            /**<a name="line.136"></a>
<FONT color="green">137</FONT>             * Constructor.<a name="line.137"></a>
<FONT color="green">138</FONT>             *<a name="line.138"></a>
<FONT color="green">139</FONT>             * @param n<a name="line.139"></a>
<FONT color="green">140</FONT>             * @param rt<a name="line.140"></a>
<FONT color="green">141</FONT>             */<a name="line.141"></a>
<FONT color="green">142</FONT>            Resource(File r, String n, ResourceType rt) {<a name="line.142"></a>
<FONT color="green">143</FONT>                root = r;<a name="line.143"></a>
<FONT color="green">144</FONT>                name = n;<a name="line.144"></a>
<FONT color="green">145</FONT>                type = rt;<a name="line.145"></a>
<FONT color="green">146</FONT>    <a name="line.146"></a>
<FONT color="green">147</FONT>                writers = new ArrayList&lt;OutputStream&gt;();<a name="line.147"></a>
<FONT color="green">148</FONT>                readers = new ArrayList&lt;InputStream&gt;();<a name="line.148"></a>
<FONT color="green">149</FONT>            }<a name="line.149"></a>
<FONT color="green">150</FONT>    <a name="line.150"></a>
<FONT color="green">151</FONT>            /**<a name="line.151"></a>
<FONT color="green">152</FONT>             * Returns the resource name.<a name="line.152"></a>
<FONT color="green">153</FONT>             *<a name="line.153"></a>
<FONT color="green">154</FONT>             * @return the resource name.<a name="line.154"></a>
<FONT color="green">155</FONT>             */<a name="line.155"></a>
<FONT color="green">156</FONT>            public String getName() {<a name="line.156"></a>
<FONT color="green">157</FONT>                return name;<a name="line.157"></a>
<FONT color="green">158</FONT>            }<a name="line.158"></a>
<FONT color="green">159</FONT>    <a name="line.159"></a>
<FONT color="green">160</FONT>            /**<a name="line.160"></a>
<FONT color="green">161</FONT>             * Returns the resource type.<a name="line.161"></a>
<FONT color="green">162</FONT>             * <a name="line.162"></a>
<FONT color="green">163</FONT>             * @return the type of the resource.<a name="line.163"></a>
<FONT color="green">164</FONT>             */<a name="line.164"></a>
<FONT color="green">165</FONT>            public ResourceType getType() {<a name="line.165"></a>
<FONT color="green">166</FONT>                return type;<a name="line.166"></a>
<FONT color="green">167</FONT>            }<a name="line.167"></a>
<FONT color="green">168</FONT>    <a name="line.168"></a>
<FONT color="green">169</FONT>            /**<a name="line.169"></a>
<FONT color="green">170</FONT>             * Returns the resource location.<a name="line.170"></a>
<FONT color="green">171</FONT>             *<a name="line.171"></a>
<FONT color="green">172</FONT>             * @return the resource location.<a name="line.172"></a>
<FONT color="green">173</FONT>             */<a name="line.173"></a>
<FONT color="green">174</FONT>            public File getLocation() {<a name="line.174"></a>
<FONT color="green">175</FONT>                return new File(root, name + "." + type.getExtension());<a name="line.175"></a>
<FONT color="green">176</FONT>            }<a name="line.176"></a>
<FONT color="green">177</FONT>    <a name="line.177"></a>
<FONT color="green">178</FONT>            /**<a name="line.178"></a>
<FONT color="green">179</FONT>             * Opens an input stream on the resource.<a name="line.179"></a>
<FONT color="green">180</FONT>             *<a name="line.180"></a>
<FONT color="green">181</FONT>             * @return the input stream to read the resource.<a name="line.181"></a>
<FONT color="green">182</FONT>             * @throws FileNotFoundException<a name="line.182"></a>
<FONT color="green">183</FONT>             */<a name="line.183"></a>
<FONT color="green">184</FONT>            public InputStream getInputStream() throws FileNotFoundException, RepositoryException {<a name="line.184"></a>
<FONT color="green">185</FONT>                synchronized (lock) {<a name="line.185"></a>
<FONT color="green">186</FONT>                    if(writers.size() &gt; 0) {<a name="line.186"></a>
<FONT color="green">187</FONT>                        throw new RepositoryException("Cannot open resource in read mode: there is at least a reader on it");<a name="line.187"></a>
<FONT color="green">188</FONT>                    }<a name="line.188"></a>
<FONT color="green">189</FONT>    <a name="line.189"></a>
<FONT color="green">190</FONT>                    // Check there is a single writer.<a name="line.190"></a>
<FONT color="green">191</FONT>                    if(readers.size() &gt; 0) {<a name="line.191"></a>
<FONT color="green">192</FONT>                        throw new RepositoryException("Resource '" + name + "' already accessed in write mode.");<a name="line.192"></a>
<FONT color="green">193</FONT>                    }<a name="line.193"></a>
<FONT color="green">194</FONT>    <a name="line.194"></a>
<FONT color="green">195</FONT>                    InputStream is = new FileInputStream( getLocation() ) {<a name="line.195"></a>
<FONT color="green">196</FONT>        <a name="line.196"></a>
<FONT color="green">197</FONT>                        /**<a name="line.197"></a>
<FONT color="green">198</FONT>                         * Releases the lock file.<a name="line.198"></a>
<FONT color="green">199</FONT>                         *<a name="line.199"></a>
<FONT color="green">200</FONT>                         * @throws IOException<a name="line.200"></a>
<FONT color="green">201</FONT>                         */<a name="line.201"></a>
<FONT color="green">202</FONT>                        public void close() throws IOException {<a name="line.202"></a>
<FONT color="green">203</FONT>                            super.close();<a name="line.203"></a>
<FONT color="green">204</FONT>                            readers.remove(this);<a name="line.204"></a>
<FONT color="green">205</FONT>                        }<a name="line.205"></a>
<FONT color="green">206</FONT>    <a name="line.206"></a>
<FONT color="green">207</FONT>                    };<a name="line.207"></a>
<FONT color="green">208</FONT>                    readers.add(is);<a name="line.208"></a>
<FONT color="green">209</FONT>                    return is;<a name="line.209"></a>
<FONT color="green">210</FONT>                }<a name="line.210"></a>
<FONT color="green">211</FONT>            }<a name="line.211"></a>
<FONT color="green">212</FONT>    <a name="line.212"></a>
<FONT color="green">213</FONT>            /**<a name="line.213"></a>
<FONT color="green">214</FONT>             * Opens an output stream on the resource.<a name="line.214"></a>
<FONT color="green">215</FONT>             *<a name="line.215"></a>
<FONT color="green">216</FONT>             * @param append append flag<a name="line.216"></a>
<FONT color="green">217</FONT>             * @return the output stream to write the resource.<a name="line.217"></a>
<FONT color="green">218</FONT>             * @throws FileNotFoundException if the resource file cannot be found or opened.<a name="line.218"></a>
<FONT color="green">219</FONT>             */<a name="line.219"></a>
<FONT color="green">220</FONT>            public OutputStream getOutputStream(boolean append) throws FileNotFoundException, RepositoryException {<a name="line.220"></a>
<FONT color="green">221</FONT>                synchronized (lock) {<a name="line.221"></a>
<FONT color="green">222</FONT>                    if(writers.size() &gt; 0) {<a name="line.222"></a>
<FONT color="green">223</FONT>                        throw new RepositoryException("Cannot open resource in write mode: there is anoter writer on it");<a name="line.223"></a>
<FONT color="green">224</FONT>                    }<a name="line.224"></a>
<FONT color="green">225</FONT>                    if(readers.size() &gt; 0) {<a name="line.225"></a>
<FONT color="green">226</FONT>                        throw new RepositoryException("Cannot open resource in write mode: there is al least a reader on it");<a name="line.226"></a>
<FONT color="green">227</FONT>                    }<a name="line.227"></a>
<FONT color="green">228</FONT>    <a name="line.228"></a>
<FONT color="green">229</FONT>                    // Creates a lock file for write mode.<a name="line.229"></a>
<FONT color="green">230</FONT>                    try {<a name="line.230"></a>
<FONT color="green">231</FONT>                        createLockFile(name);<a name="line.231"></a>
<FONT color="green">232</FONT>                    } catch (IOException e) {<a name="line.232"></a>
<FONT color="green">233</FONT>                        throw new RepositoryException(e);<a name="line.233"></a>
<FONT color="green">234</FONT>                    }<a name="line.234"></a>
<FONT color="green">235</FONT>    <a name="line.235"></a>
<FONT color="green">236</FONT>                    OutputStream os = new FileOutputStream( getLocation(), append ) {<a name="line.236"></a>
<FONT color="green">237</FONT>    <a name="line.237"></a>
<FONT color="green">238</FONT>                        public void close() throws IOException {<a name="line.238"></a>
<FONT color="green">239</FONT>                            super.close();<a name="line.239"></a>
<FONT color="green">240</FONT>                            writers.remove(this);<a name="line.240"></a>
<FONT color="green">241</FONT>                            removeLockFile(name);<a name="line.241"></a>
<FONT color="green">242</FONT>                            <a name="line.242"></a>
<FONT color="green">243</FONT>                        }<a name="line.243"></a>
<FONT color="green">244</FONT>    <a name="line.244"></a>
<FONT color="green">245</FONT>                    };<a name="line.245"></a>
<FONT color="green">246</FONT>                    writers.add(os);<a name="line.246"></a>
<FONT color="green">247</FONT>                    return os;<a name="line.247"></a>
<FONT color="green">248</FONT>                }<a name="line.248"></a>
<FONT color="green">249</FONT>            }<a name="line.249"></a>
<FONT color="green">250</FONT>    <a name="line.250"></a>
<FONT color="green">251</FONT>            /**<a name="line.251"></a>
<FONT color="green">252</FONT>             *  Opens an output stream on the resource.<a name="line.252"></a>
<FONT color="green">253</FONT>             *<a name="line.253"></a>
<FONT color="green">254</FONT>             * @return the resource output stream.<a name="line.254"></a>
<FONT color="green">255</FONT>             * @throws FileNotFoundException<a name="line.255"></a>
<FONT color="green">256</FONT>             * @throws RepositoryException<a name="line.256"></a>
<FONT color="green">257</FONT>             */<a name="line.257"></a>
<FONT color="green">258</FONT>            public OutputStream getOutputStream() throws FileNotFoundException, RepositoryException {<a name="line.258"></a>
<FONT color="green">259</FONT>                return getOutputStream(false);<a name="line.259"></a>
<FONT color="green">260</FONT>            }<a name="line.260"></a>
<FONT color="green">261</FONT>    <a name="line.261"></a>
<FONT color="green">262</FONT>            /**<a name="line.262"></a>
<FONT color="green">263</FONT>             * Deletes the current resource closing first all input and output streams.<a name="line.263"></a>
<FONT color="green">264</FONT>             */<a name="line.264"></a>
<FONT color="green">265</FONT>            public void delete() {<a name="line.265"></a>
<FONT color="green">266</FONT>                for(InputStream is : readers) {<a name="line.266"></a>
<FONT color="green">267</FONT>                    try {<a name="line.267"></a>
<FONT color="green">268</FONT>                        is.close();<a name="line.268"></a>
<FONT color="green">269</FONT>                    } catch (Exception e) {}<a name="line.269"></a>
<FONT color="green">270</FONT>                }<a name="line.270"></a>
<FONT color="green">271</FONT>                for(OutputStream os : writers) {<a name="line.271"></a>
<FONT color="green">272</FONT>                    try {<a name="line.272"></a>
<FONT color="green">273</FONT>                        os.close();<a name="line.273"></a>
<FONT color="green">274</FONT>                    } catch (Exception e) {}<a name="line.274"></a>
<FONT color="green">275</FONT>                }<a name="line.275"></a>
<FONT color="green">276</FONT>                getLocation().delete();<a name="line.276"></a>
<FONT color="green">277</FONT>    <a name="line.277"></a>
<FONT color="green">278</FONT>            }<a name="line.278"></a>
<FONT color="green">279</FONT>        }<a name="line.279"></a>
<FONT color="green">280</FONT>    <a name="line.280"></a>
<FONT color="green">281</FONT>        /**<a name="line.281"></a>
<FONT color="green">282</FONT>         * Filters all lock files inside a dir.<a name="line.282"></a>
<FONT color="green">283</FONT>         */<a name="line.283"></a>
<FONT color="green">284</FONT>        public static class LockFileFilter implements FilenameFilter {<a name="line.284"></a>
<FONT color="green">285</FONT>            public boolean accept(File dir, String name) {<a name="line.285"></a>
<FONT color="green">286</FONT>                File file = new File(dir, name);<a name="line.286"></a>
<FONT color="green">287</FONT>                if( file.isDirectory() ) { return false; }<a name="line.287"></a>
<FONT color="green">288</FONT>                String postfix = LOCK_FILE_EXT;<a name="line.288"></a>
<FONT color="green">289</FONT>                int lastIndexOf = name.lastIndexOf(postfix);<a name="line.289"></a>
<FONT color="green">290</FONT>                return lastIndexOf &gt; 0 &amp;&amp; lastIndexOf == name.length() - postfix.length();<a name="line.290"></a>
<FONT color="green">291</FONT>            }<a name="line.291"></a>
<FONT color="green">292</FONT>        }<a name="line.292"></a>
<FONT color="green">293</FONT>    <a name="line.293"></a>
<FONT color="green">294</FONT>        /**<a name="line.294"></a>
<FONT color="green">295</FONT>         * Default repository name.<a name="line.295"></a>
<FONT color="green">296</FONT>         */<a name="line.296"></a>
<FONT color="green">297</FONT>        public static final String DEFAULT_REPOSITORY_NAME = "rdfcoder";<a name="line.297"></a>
<FONT color="green">298</FONT>    <a name="line.298"></a>
<FONT color="green">299</FONT>        /**<a name="line.299"></a>
<FONT color="green">300</FONT>         * Default repository location.<a name="line.300"></a>
<FONT color="green">301</FONT>         */<a name="line.301"></a>
<FONT color="green">302</FONT>        public static final String DEFAULT_REPOSITORY_LOCATION = "~";<a name="line.302"></a>
<FONT color="green">303</FONT>    <a name="line.303"></a>
<FONT color="green">304</FONT>        /**<a name="line.304"></a>
<FONT color="green">305</FONT>         * Extension of lock files.<a name="line.305"></a>
<FONT color="green">306</FONT>         */<a name="line.306"></a>
<FONT color="green">307</FONT>        private static final String LOCK_FILE_EXT = ".lck";<a name="line.307"></a>
<FONT color="green">308</FONT>    <a name="line.308"></a>
<FONT color="green">309</FONT>        /**<a name="line.309"></a>
<FONT color="green">310</FONT>         * Defualt repository instance.<a name="line.310"></a>
<FONT color="green">311</FONT>         */<a name="line.311"></a>
<FONT color="green">312</FONT>        private static Repository _defaultRepositoryInstance;<a name="line.312"></a>
<FONT color="green">313</FONT>    <a name="line.313"></a>
<FONT color="green">314</FONT>        /**<a name="line.314"></a>
<FONT color="green">315</FONT>         * Resource reference lock.<a name="line.315"></a>
<FONT color="green">316</FONT>         */<a name="line.316"></a>
<FONT color="green">317</FONT>        private final Object lock = new Object();<a name="line.317"></a>
<FONT color="green">318</FONT>    <a name="line.318"></a>
<FONT color="green">319</FONT>        /**<a name="line.319"></a>
<FONT color="green">320</FONT>         * Repository root;<a name="line.320"></a>
<FONT color="green">321</FONT>         */<a name="line.321"></a>
<FONT color="green">322</FONT>        private final File repositoryLocation;<a name="line.322"></a>
<FONT color="green">323</FONT>    <a name="line.323"></a>
<FONT color="green">324</FONT>        /**<a name="line.324"></a>
<FONT color="green">325</FONT>         * Map of resources inside the current repository.<a name="line.325"></a>
<FONT color="green">326</FONT>         */<a name="line.326"></a>
<FONT color="green">327</FONT>        private Map&lt;String,Resource&gt; resources;<a name="line.327"></a>
<FONT color="green">328</FONT>    <a name="line.328"></a>
<FONT color="green">329</FONT>        /**<a name="line.329"></a>
<FONT color="green">330</FONT>         * Returns a repository at a given location.<a name="line.330"></a>
<FONT color="green">331</FONT>         *<a name="line.331"></a>
<FONT color="green">332</FONT>         * @param location<a name="line.332"></a>
<FONT color="green">333</FONT>         * @return the new repository instance.<a name="line.333"></a>
<FONT color="green">334</FONT>         */<a name="line.334"></a>
<FONT color="green">335</FONT>        public static final Repository getRepository(File location) throws RepositoryException {<a name="line.335"></a>
<FONT color="green">336</FONT>            return new Repository(location);<a name="line.336"></a>
<FONT color="green">337</FONT>        }<a name="line.337"></a>
<FONT color="green">338</FONT>    <a name="line.338"></a>
<FONT color="green">339</FONT>        /**<a name="line.339"></a>
<FONT color="green">340</FONT>         * Returns the repository unique instance.<a name="line.340"></a>
<FONT color="green">341</FONT>         *<a name="line.341"></a>
<FONT color="green">342</FONT>         * @return unique repository instance.<a name="line.342"></a>
<FONT color="green">343</FONT>         */<a name="line.343"></a>
<FONT color="green">344</FONT>        public static final Repository getDefaultRepository() throws RepositoryException {<a name="line.344"></a>
<FONT color="green">345</FONT>            if(_defaultRepositoryInstance == null) {<a name="line.345"></a>
<FONT color="green">346</FONT>                File location = new File(<a name="line.346"></a>
<FONT color="green">347</FONT>                        DEFAULT_REPOSITORY_LOCATION +<a name="line.347"></a>
<FONT color="green">348</FONT>                        File.pathSeparator +<a name="line.348"></a>
<FONT color="green">349</FONT>                        "." + DEFAULT_REPOSITORY_NAME<a name="line.349"></a>
<FONT color="green">350</FONT>                );<a name="line.350"></a>
<FONT color="green">351</FONT>                _defaultRepositoryInstance = new Repository(location);<a name="line.351"></a>
<FONT color="green">352</FONT>            }<a name="line.352"></a>
<FONT color="green">353</FONT>            return _defaultRepositoryInstance;<a name="line.353"></a>
<FONT color="green">354</FONT>        }<a name="line.354"></a>
<FONT color="green">355</FONT>    <a name="line.355"></a>
<FONT color="green">356</FONT>        /**<a name="line.356"></a>
<FONT color="green">357</FONT>         * Loads the resources defined in the &lt;i&gt;target&lt;/i&gt;<a name="line.357"></a>
<FONT color="green">358</FONT>         * dir.<a name="line.358"></a>
<FONT color="green">359</FONT>         *<a name="line.359"></a>
<FONT color="green">360</FONT>         * @return the map of loaded resources.<a name="line.360"></a>
<FONT color="green">361</FONT>         */<a name="line.361"></a>
<FONT color="green">362</FONT>        protected Map&lt;String,Resource&gt; loadResources(File target) {<a name="line.362"></a>
<FONT color="green">363</FONT>            if( ! target.exists() ) {<a name="line.363"></a>
<FONT color="green">364</FONT>                throw new IllegalArgumentException("target dir doesn't exist: '" + target.getAbsolutePath() + "'");<a name="line.364"></a>
<FONT color="green">365</FONT>            }<a name="line.365"></a>
<FONT color="green">366</FONT>            if( ! target.isDirectory() ) {<a name="line.366"></a>
<FONT color="green">367</FONT>                throw new IllegalArgumentException("target dir must be a directory");<a name="line.367"></a>
<FONT color="green">368</FONT>            }<a name="line.368"></a>
<FONT color="green">369</FONT>    <a name="line.369"></a>
<FONT color="green">370</FONT>            File[] files = target.listFiles();<a name="line.370"></a>
<FONT color="green">371</FONT>            Map&lt;String,Resource&gt; result = new HashMap&lt;String,Resource&gt;(files.length);<a name="line.371"></a>
<FONT color="green">372</FONT>            ResourceType rt;<a name="line.372"></a>
<FONT color="green">373</FONT>            String fileName;<a name="line.373"></a>
<FONT color="green">374</FONT>            String resourceName;<a name="line.374"></a>
<FONT color="green">375</FONT>            for(File file : files) {<a name="line.375"></a>
<FONT color="green">376</FONT>                if( file.isFile() ) {<a name="line.376"></a>
<FONT color="green">377</FONT>                    fileName = file.getName();<a name="line.377"></a>
<FONT color="green">378</FONT>                    rt = ResourceType.getType(fileName);<a name="line.378"></a>
<FONT color="green">379</FONT>                    if( rt != null ) {<a name="line.379"></a>
<FONT color="green">380</FONT>                        resourceName = ResourceType.getResourceName(fileName);<a name="line.380"></a>
<FONT color="green">381</FONT>                        result.put( resourceName, new Resource(target ,resourceName , rt) );<a name="line.381"></a>
<FONT color="green">382</FONT>                    }<a name="line.382"></a>
<FONT color="green">383</FONT>                }<a name="line.383"></a>
<FONT color="green">384</FONT>            }<a name="line.384"></a>
<FONT color="green">385</FONT>            return result;<a name="line.385"></a>
<FONT color="green">386</FONT>        }<a name="line.386"></a>
<FONT color="green">387</FONT>    <a name="line.387"></a>
<FONT color="green">388</FONT>        /**<a name="line.388"></a>
<FONT color="green">389</FONT>         * Checks the repository folder.<a name="line.389"></a>
<FONT color="green">390</FONT>         *<a name="line.390"></a>
<FONT color="green">391</FONT>         * @param location<a name="line.391"></a>
<FONT color="green">392</FONT>         * @return &lt;code&gt;true&lt;/code&gt; if the repo folder has been created,<a name="line.392"></a>
<FONT color="green">393</FONT>         * &lt;code&gt;false&lt;/code&gt; otherwise.<a name="line.393"></a>
<FONT color="green">394</FONT>         */<a name="line.394"></a>
<FONT color="green">395</FONT>        protected static boolean checkRepository(File location) throws RepositoryException {<a name="line.395"></a>
<FONT color="green">396</FONT>            if( ! location.exists() ) {<a name="line.396"></a>
<FONT color="green">397</FONT>                if( ! location.mkdir() ) {<a name="line.397"></a>
<FONT color="green">398</FONT>                    throw new RepositoryException(<a name="line.398"></a>
<FONT color="green">399</FONT>                            "Error while creating repository dir at location '" + location.getAbsolutePath() + "'."<a name="line.399"></a>
<FONT color="green">400</FONT>                    );<a name="line.400"></a>
<FONT color="green">401</FONT>                }<a name="line.401"></a>
<FONT color="green">402</FONT>                return true;<a name="line.402"></a>
<FONT color="green">403</FONT>            } else if( ! location.isDirectory() ) {<a name="line.403"></a>
<FONT color="green">404</FONT>                throw new RepositoryException(<a name="line.404"></a>
<FONT color="green">405</FONT>                        "A file with the same name of the repository already exists at location '"+ location.getAbsolutePath() + "'."<a name="line.405"></a>
<FONT color="green">406</FONT>                );<a name="line.406"></a>
<FONT color="green">407</FONT>            }<a name="line.407"></a>
<FONT color="green">408</FONT>            return false;<a name="line.408"></a>
<FONT color="green">409</FONT>        }<a name="line.409"></a>
<FONT color="green">410</FONT>    <a name="line.410"></a>
<FONT color="green">411</FONT>        /**<a name="line.411"></a>
<FONT color="green">412</FONT>         * Singleton restriction constructor.<a name="line.412"></a>
<FONT color="green">413</FONT>         */<a name="line.413"></a>
<FONT color="green">414</FONT>        private Repository(File rl) throws RepositoryException {<a name="line.414"></a>
<FONT color="green">415</FONT>            repositoryLocation = rl;<a name="line.415"></a>
<FONT color="green">416</FONT>            if( ! checkRepository(rl) ) {<a name="line.416"></a>
<FONT color="green">417</FONT>                // Performs a cleanup of repository.<a name="line.417"></a>
<FONT color="green">418</FONT>                removeLockedResources();<a name="line.418"></a>
<FONT color="green">419</FONT>                // Loads existing resources.<a name="line.419"></a>
<FONT color="green">420</FONT>                resources = loadResources(repositoryLocation);<a name="line.420"></a>
<FONT color="green">421</FONT>            } else {<a name="line.421"></a>
<FONT color="green">422</FONT>                resources = new HashMap&lt;String,Resource&gt;();<a name="line.422"></a>
<FONT color="green">423</FONT>            }<a name="line.423"></a>
<FONT color="green">424</FONT>        }<a name="line.424"></a>
<FONT color="green">425</FONT>    <a name="line.425"></a>
<FONT color="green">426</FONT>        /**<a name="line.426"></a>
<FONT color="green">427</FONT>         * Returns the repository root.<a name="line.427"></a>
<FONT color="green">428</FONT>         * <a name="line.428"></a>
<FONT color="green">429</FONT>         * @return the respository location.<a name="line.429"></a>
<FONT color="green">430</FONT>         */<a name="line.430"></a>
<FONT color="green">431</FONT>        public File getRepositoryLocation() {<a name="line.431"></a>
<FONT color="green">432</FONT>            return repositoryLocation;<a name="line.432"></a>
<FONT color="green">433</FONT>        }<a name="line.433"></a>
<FONT color="green">434</FONT>    <a name="line.434"></a>
<FONT color="green">435</FONT>        /**<a name="line.435"></a>
<FONT color="green">436</FONT>         * Returns the list of available resources.<a name="line.436"></a>
<FONT color="green">437</FONT>         *<a name="line.437"></a>
<FONT color="green">438</FONT>         * @return list of resources in the repository.<a name="line.438"></a>
<FONT color="green">439</FONT>         */<a name="line.439"></a>
<FONT color="green">440</FONT>        public Resource[] getResources() {<a name="line.440"></a>
<FONT color="green">441</FONT>            Collection&lt;Resource&gt; resourceValues = resources.values();<a name="line.441"></a>
<FONT color="green">442</FONT>            return resourceValues.toArray(new Resource[resourceValues.size()]);<a name="line.442"></a>
<FONT color="green">443</FONT>        }<a name="line.443"></a>
<FONT color="green">444</FONT>    <a name="line.444"></a>
<FONT color="green">445</FONT>        /**<a name="line.445"></a>
<FONT color="green">446</FONT>         * Returns &lt;code&gt;true&lt;/code&gt; if the repository contains the given resource name,<a name="line.446"></a>
<FONT color="green">447</FONT>         * &lt;code&gt;false&lt;/code&gt; otherwise.<a name="line.447"></a>
<FONT color="green">448</FONT>         *<a name="line.448"></a>
<FONT color="green">449</FONT>         * @param resourceName name of resource to find.<a name="line.449"></a>
<FONT color="green">450</FONT>         * @return &lt;code&gt;true&lt;/code&gt; if found.<a name="line.450"></a>
<FONT color="green">451</FONT>         */<a name="line.451"></a>
<FONT color="green">452</FONT>        public boolean containsResource(String resourceName) {<a name="line.452"></a>
<FONT color="green">453</FONT>            return resources.containsKey(resourceName);<a name="line.453"></a>
<FONT color="green">454</FONT>        }<a name="line.454"></a>
<FONT color="green">455</FONT>    <a name="line.455"></a>
<FONT color="green">456</FONT>        /**<a name="line.456"></a>
<FONT color="green">457</FONT>         * Returns an existing resource.<a name="line.457"></a>
<FONT color="green">458</FONT>         *<a name="line.458"></a>
<FONT color="green">459</FONT>         * @param resourceName<a name="line.459"></a>
<FONT color="green">460</FONT>         * @return the resource found.<a name="line.460"></a>
<FONT color="green">461</FONT>         * @throws RepositoryException if the resource doens't exist.<a name="line.461"></a>
<FONT color="green">462</FONT>         */<a name="line.462"></a>
<FONT color="green">463</FONT>        public Resource getResource(String resourceName) throws RepositoryException {<a name="line.463"></a>
<FONT color="green">464</FONT>            Resource resource = resources.get(resourceName);<a name="line.464"></a>
<FONT color="green">465</FONT>            if(resource == null) {<a name="line.465"></a>
<FONT color="green">466</FONT>                throw new RepositoryException("Required resource '" + resourceName + "' doesn't exist.");<a name="line.466"></a>
<FONT color="green">467</FONT>            }<a name="line.467"></a>
<FONT color="green">468</FONT>            return resource;<a name="line.468"></a>
<FONT color="green">469</FONT>        }<a name="line.469"></a>
<FONT color="green">470</FONT>    <a name="line.470"></a>
<FONT color="green">471</FONT>        /**<a name="line.471"></a>
<FONT color="green">472</FONT>         * Removes the specified resource.<a name="line.472"></a>
<FONT color="green">473</FONT>         *<a name="line.473"></a>
<FONT color="green">474</FONT>         * @param resourceName<a name="line.474"></a>
<FONT color="green">475</FONT>         * @throws RepositoryException if the resource cannot be found.<a name="line.475"></a>
<FONT color="green">476</FONT>         */<a name="line.476"></a>
<FONT color="green">477</FONT>        public void removeResource(String resourceName) throws RepositoryException {<a name="line.477"></a>
<FONT color="green">478</FONT>            Resource resource = getResource(resourceName);<a name="line.478"></a>
<FONT color="green">479</FONT>            if( ! resource.getLocation().delete() ) {<a name="line.479"></a>
<FONT color="green">480</FONT>                throw new RepositoryException("Cannot delete resource: '" + resourceName + "'");<a name="line.480"></a>
<FONT color="green">481</FONT>            }<a name="line.481"></a>
<FONT color="green">482</FONT>            try {<a name="line.482"></a>
<FONT color="green">483</FONT>                removeLockFile(resourceName);<a name="line.483"></a>
<FONT color="green">484</FONT>            } catch(Exception e) {<a name="line.484"></a>
<FONT color="green">485</FONT>                e.printStackTrace();<a name="line.485"></a>
<FONT color="green">486</FONT>            }<a name="line.486"></a>
<FONT color="green">487</FONT>            resources.remove(resourceName);<a name="line.487"></a>
<FONT color="green">488</FONT>        }<a name="line.488"></a>
<FONT color="green">489</FONT>    <a name="line.489"></a>
<FONT color="green">490</FONT>        /**<a name="line.490"></a>
<FONT color="green">491</FONT>         * Check if the resource name is valid.<a name="line.491"></a>
<FONT color="green">492</FONT>         *<a name="line.492"></a>
<FONT color="green">493</FONT>         * @param rn<a name="line.493"></a>
<FONT color="green">494</FONT>         */<a name="line.494"></a>
<FONT color="green">495</FONT>        static void checkResourceName(String rn) throws RepositoryException {<a name="line.495"></a>
<FONT color="green">496</FONT>            if(rn == null || rn.trim().length() == 0) {<a name="line.496"></a>
<FONT color="green">497</FONT>                throw new RepositoryException("Invalid resource name: '"+ rn + "'");<a name="line.497"></a>
<FONT color="green">498</FONT>            }<a name="line.498"></a>
<FONT color="green">499</FONT>        }<a name="line.499"></a>
<FONT color="green">500</FONT>    <a name="line.500"></a>
<FONT color="green">501</FONT>        /**<a name="line.501"></a>
<FONT color="green">502</FONT>         * Creates a new resource into the repository.<a name="line.502"></a>
<FONT color="green">503</FONT>         *<a name="line.503"></a>
<FONT color="green">504</FONT>         * @param resourceName<a name="line.504"></a>
<FONT color="green">505</FONT>         * @param type<a name="line.505"></a>
<FONT color="green">506</FONT>         * @return the created resource.<a name="line.506"></a>
<FONT color="green">507</FONT>         * @throws RepositoryException if a resurce with the same name exists or the file cannot be created.<a name="line.507"></a>
<FONT color="green">508</FONT>         */<a name="line.508"></a>
<FONT color="green">509</FONT>        public Resource createResource(String resourceName, ResourceType type) throws RepositoryException {<a name="line.509"></a>
<FONT color="green">510</FONT>            checkResourceName(resourceName);<a name="line.510"></a>
<FONT color="green">511</FONT>    <a name="line.511"></a>
<FONT color="green">512</FONT>            if( containsResource(resourceName) ) {<a name="line.512"></a>
<FONT color="green">513</FONT>                throw new RepositoryException(<a name="line.513"></a>
<FONT color="green">514</FONT>                        "Cannot create resource '" + resourceName + "', a resouce with the same name already exists."<a name="line.514"></a>
<FONT color="green">515</FONT>                );<a name="line.515"></a>
<FONT color="green">516</FONT>            }<a name="line.516"></a>
<FONT color="green">517</FONT>    <a name="line.517"></a>
<FONT color="green">518</FONT>            File file    = new File(repositoryLocation, type.getFileName(resourceName));<a name="line.518"></a>
<FONT color="green">519</FONT>            try {<a name="line.519"></a>
<FONT color="green">520</FONT>                file.createNewFile();<a name="line.520"></a>
<FONT color="green">521</FONT>            } catch (IOException e) {<a name="line.521"></a>
<FONT color="green">522</FONT>                throw new RepositoryException("Cannot create file: '" + file.getAbsolutePath() + "'");<a name="line.522"></a>
<FONT color="green">523</FONT>            }<a name="line.523"></a>
<FONT color="green">524</FONT>    <a name="line.524"></a>
<FONT color="green">525</FONT>            Resource resource = new Resource(repositoryLocation, resourceName, type);<a name="line.525"></a>
<FONT color="green">526</FONT>            resources.put(resourceName, resource);<a name="line.526"></a>
<FONT color="green">527</FONT>    <a name="line.527"></a>
<FONT color="green">528</FONT>            return resource;<a name="line.528"></a>
<FONT color="green">529</FONT>        }<a name="line.529"></a>
<FONT color="green">530</FONT>    <a name="line.530"></a>
<FONT color="green">531</FONT>        /**<a name="line.531"></a>
<FONT color="green">532</FONT>         * Returns &lt;code&gt;true&lt;/code&gt; if a resource is locked in writing mode,<a name="line.532"></a>
<FONT color="green">533</FONT>         * &lt;code&gt;false&lt;/code&gt; otherwise.<a name="line.533"></a>
<FONT color="green">534</FONT>         *<a name="line.534"></a>
<FONT color="green">535</FONT>         * @param resourceName<a name="line.535"></a>
<FONT color="green">536</FONT>         * @return &lt;code&gt;true&lt;/code&gt; if the resource is locked.<a name="line.536"></a>
<FONT color="green">537</FONT>         * @throws RepositoryException is resourceName doesn't exist.<a name="line.537"></a>
<FONT color="green">538</FONT>         */<a name="line.538"></a>
<FONT color="green">539</FONT>        public boolean isLocked(String resourceName) throws RepositoryException {<a name="line.539"></a>
<FONT color="green">540</FONT>            if( resources != null &amp;&amp; ! containsResource(resourceName) ) {<a name="line.540"></a>
<FONT color="green">541</FONT>                throw new RepositoryException("Repository doesn't contain resource name '" + resourceName + "'");<a name="line.541"></a>
<FONT color="green">542</FONT>            }<a name="line.542"></a>
<FONT color="green">543</FONT>    <a name="line.543"></a>
<FONT color="green">544</FONT>            File resourceFileLock = new File(repositoryLocation, getFileLockName(resourceName));<a name="line.544"></a>
<FONT color="green">545</FONT>            return resourceFileLock.exists();<a name="line.545"></a>
<FONT color="green">546</FONT>        }<a name="line.546"></a>
<FONT color="green">547</FONT>    <a name="line.547"></a>
<FONT color="green">548</FONT>        /**<a name="line.548"></a>
<FONT color="green">549</FONT>         * Returns the name of the open file lock of a resource.<a name="line.549"></a>
<FONT color="green">550</FONT>         *<a name="line.550"></a>
<FONT color="green">551</FONT>         * @param resourceName<a name="line.551"></a>
<FONT color="green">552</FONT>         * @return<a name="line.552"></a>
<FONT color="green">553</FONT>         */<a name="line.553"></a>
<FONT color="green">554</FONT>        private static String getFileLockName(String resourceName) {<a name="line.554"></a>
<FONT color="green">555</FONT>            return "." + resourceName + LOCK_FILE_EXT;<a name="line.555"></a>
<FONT color="green">556</FONT>        }<a name="line.556"></a>
<FONT color="green">557</FONT>    <a name="line.557"></a>
<FONT color="green">558</FONT>        /**<a name="line.558"></a>
<FONT color="green">559</FONT>         * Returns the resource name associated to a given lock file name.<a name="line.559"></a>
<FONT color="green">560</FONT>         *<a name="line.560"></a>
<FONT color="green">561</FONT>         * @param lockFileName<a name="line.561"></a>
<FONT color="green">562</FONT>         * @return<a name="line.562"></a>
<FONT color="green">563</FONT>         */<a name="line.563"></a>
<FONT color="green">564</FONT>        private static String getResourceNameFromLockFile(String lockFileName) {<a name="line.564"></a>
<FONT color="green">565</FONT>            return lockFileName<a name="line.565"></a>
<FONT color="green">566</FONT>                    .substring(1) // "."<a name="line.566"></a>
<FONT color="green">567</FONT>                    .substring(0, lockFileName.length() - 1 - LOCK_FILE_EXT.length() );<a name="line.567"></a>
<FONT color="green">568</FONT>        }<a name="line.568"></a>
<FONT color="green">569</FONT>    <a name="line.569"></a>
<FONT color="green">570</FONT>        /**<a name="line.570"></a>
<FONT color="green">571</FONT>         * Creates a lock file for a resource name.<a name="line.571"></a>
<FONT color="green">572</FONT>         *<a name="line.572"></a>
<FONT color="green">573</FONT>         * @param resourceName<a name="line.573"></a>
<FONT color="green">574</FONT>         */<a name="line.574"></a>
<FONT color="green">575</FONT>        private void createLockFile(String resourceName) throws IOException {<a name="line.575"></a>
<FONT color="green">576</FONT>            File lockFile = new File(repositoryLocation, getFileLockName(resourceName));<a name="line.576"></a>
<FONT color="green">577</FONT>            lockFile.createNewFile();<a name="line.577"></a>
<FONT color="green">578</FONT>        }<a name="line.578"></a>
<FONT color="green">579</FONT>    <a name="line.579"></a>
<FONT color="green">580</FONT>        /**<a name="line.580"></a>
<FONT color="green">581</FONT>         * Removes a lock file.<a name="line.581"></a>
<FONT color="green">582</FONT>         * <a name="line.582"></a>
<FONT color="green">583</FONT>         * @param resourceName<a name="line.583"></a>
<FONT color="green">584</FONT>         */<a name="line.584"></a>
<FONT color="green">585</FONT>        private void removeLockFile(String resourceName) {<a name="line.585"></a>
<FONT color="green">586</FONT>            File lockFile = new File(repositoryLocation, getFileLockName(resourceName) );<a name="line.586"></a>
<FONT color="green">587</FONT>            lockFile.delete();<a name="line.587"></a>
<FONT color="green">588</FONT>        }<a name="line.588"></a>
<FONT color="green">589</FONT>    <a name="line.589"></a>
<FONT color="green">590</FONT>        /**<a name="line.590"></a>
<FONT color="green">591</FONT>         * Removes all files that are locked and then inconsistent.<a name="line.591"></a>
<FONT color="green">592</FONT>         */<a name="line.592"></a>
<FONT color="green">593</FONT>        private void removeLockedResources() throws RepositoryException {<a name="line.593"></a>
<FONT color="green">594</FONT>            Map&lt;String,Resource&gt; resources = loadResources(repositoryLocation);<a name="line.594"></a>
<FONT color="green">595</FONT>            for(Resource r : resources.values()) {<a name="line.595"></a>
<FONT color="green">596</FONT>                if( isLocked( r.getName() ) ) {<a name="line.596"></a>
<FONT color="green">597</FONT>                    try {<a name="line.597"></a>
<FONT color="green">598</FONT>                        removeLockFile( r.getName());<a name="line.598"></a>
<FONT color="green">599</FONT>                    } catch (Exception e) {<a name="line.599"></a>
<FONT color="green">600</FONT>                        e.printStackTrace();<a name="line.600"></a>
<FONT color="green">601</FONT>                    }<a name="line.601"></a>
<FONT color="green">602</FONT>                    File resourceLocation = r.getLocation();<a name="line.602"></a>
<FONT color="green">603</FONT>                    try {<a name="line.603"></a>
<FONT color="green">604</FONT>                        resourceLocation.delete();<a name="line.604"></a>
<FONT color="green">605</FONT>                    } catch (Exception e) {<a name="line.605"></a>
<FONT color="green">606</FONT>                        e.printStackTrace();<a name="line.606"></a>
<FONT color="green">607</FONT>                    }<a name="line.607"></a>
<FONT color="green">608</FONT>                }<a name="line.608"></a>
<FONT color="green">609</FONT>            }<a name="line.609"></a>
<FONT color="green">610</FONT>    <a name="line.610"></a>
<FONT color="green">611</FONT>        }<a name="line.611"></a>
<FONT color="green">612</FONT>    <a name="line.612"></a>
<FONT color="green">613</FONT>    }<a name="line.613"></a>




























































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